@book { DieflinkenAdleraugenimEinsatz,
    title = "Die flinken Adleraugen im Einsatz",
    author = "Katharina {Stehr} and RBM {Publishing}",
    year = "2022",
    publisher = "RBM Publishing",
    address = ", Deutschland",
    url = "https://tolino.openpublishing.com/document/1188769"
}